Nike Air Zoom Vapor X Knit Women's Tennis Shoes Bordeaux/White/Pink Rise : Nike Zoom Vapor X Knit tennis shoes utilize some of the latest technology in tennis. This model features reliable cushioning from the Nike Zoom Air unit, but with a modern twist: a stylish knit upper. The knit material provides lightweight, breathable support that allows for powerful, explosive movements between shots. Upper: Circular-knit material is breathable and lightweight. High-strength yarns provide support during movement on the court. A pattern of small, protective triangles adds durability to high-wear areas. Midsole: Soft foam midsole with Zoom Air unit in the heel offers low-profile responsive cushioning. A stretchy internal sleeve hugs the feet for a sock-like fit. Outsole: Rubber outsole with XDR compound on the heel and forefoot provides multi-surface traction and durability.